Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2024   18:12:05   (   0.01, -75.20) (   0.86, -71.39)  434.20                80
 12/26/2024   06:33:50   (   0.00, -75.19) (   0.34, -76.65)  166.70                80
 12/27/2024   06:12:24   (   0.01, -75.19) (  -0.66, -72.11)  350.63                80
 12/28/2024   18:34:18   (  -0.01, -75.21) (  -0.48, -77.41)  250.90                80
 12/29/2024   18:18:12   (  -0.01, -75.21) (   0.53, -72.88)  266.63                80
 12/31/2024   06:39:57   (   0.00, -75.21) (   0.67, -78.14)  333.72                80
 01/01/2025   06:18:30   (   0.00, -75.21) (  -0.34, -73.60)  183.80                80
 01/02/2025   18:40:24   (  -0.00, -75.24) (  -0.83, -78.89)  417.29                80
 01/03/2025   18:24:17   (  -0.00, -75.25) (   0.18, -74.36)  100.97                80
 01/05/2025   06:46:02   (   0.00, -75.26) (   1.00, -79.62)  497.62                80
 01/06/2025   06:24:36   (   0.00, -75.27) (  -0.02, -75.08)   20.87                80